@charset "UTF-8";
$vm_base:375;  //设计图的宽度
@function vw($px) {
  @return ($px / $vm_base) * 100vw;
}
.br{
  border:1px solid red;
}

*{
  margin: 0;
  padding: 0;
}
html {
  height: 100%;

}
body{
  height: 100%;
}
div{
  box-sizing: border-box;
}
li{
  list-style: none;
}
.address{
  display: flex;
  flex-direction:column;
  height: 100%;
}

